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A platform for research: civil engineering, architecture and urbanism
Static pressure prestressed pipe pile construction method
The invention provides a static pressure prestressed pipe pile construction method. The static pressure prestressed pipe pile construction method comprises the following steps that a plurality of unit pipe piles are prepared; measuring and setting out are conducted, and pile positions are determined; guide holes are drilled and tapped in the centers of the pile positions; pile presses are in place and centered; a front pipe pile is pressed into an underground soil body; the piles are spliced through pin rods; the piles are spliced and welded; and after the steps are repeated for multiple times, construction is finished. By the adoption of the technical scheme, the guide holes are formed in the ground in advance for guiding, the pin rods are used for positioning during pile splicing, it is guaranteed that every two adjacent pipe piles are aligned, the pile splicing connecting position is arranged at the position 0.5 m to 1 m away from the ground, welding operation is facilitated, the perpendicularity of the pipe piles relative to the ground is also conveniently adjusted, deflection is effectively prevented when the pipe piles are pressed in, air holes are prevented from appearing in a welding seam formed after welding and cracks are prevented from appearing in the welding seam after the welding wire is baked and preheated before pile splicing and welding, the mechanical performance and strength of the welding seam are improved, the welding quality is improved, and pile breakage is avoided.
本发明提供了一种静压预应力管桩施工方法，包括以下步骤：制备多根单元管桩；测量放线并确定桩位；在桩位中心钻攻导引孔；压桩机就位对中；将前置管桩压入地下土体；通过销杆接桩；接桩焊接；重复前述步骤若干次后，施工结束。采用本发明的技术方案，通过在地面上预先设置导引孔作为导向，通过在接桩时使用销杆定位，保证了相邻两根管桩对正，将接桩连接处设置于离地面0.5m‑1m的高度，便于进行焊接操作，也便于调整管桩相对于地面的垂直度，有效防止压入管桩时出现偏斜，在接桩焊接前，对焊丝烘培、预热处理后，防止在焊接后形成的焊缝内出现气孔，防止焊缝出现裂纹，提升焊缝的机械性能和强度，提高了焊接质量，避免出现断桩。
Static pressure prestressed pipe pile construction method
The invention provides a static pressure prestressed pipe pile construction method. The static pressure prestressed pipe pile construction method comprises the following steps that a plurality of unit pipe piles are prepared; measuring and setting out are conducted, and pile positions are determined; guide holes are drilled and tapped in the centers of the pile positions; pile presses are in place and centered; a front pipe pile is pressed into an underground soil body; the piles are spliced through pin rods; the piles are spliced and welded; and after the steps are repeated for multiple times, construction is finished. By the adoption of the technical scheme, the guide holes are formed in the ground in advance for guiding, the pin rods are used for positioning during pile splicing, it is guaranteed that every two adjacent pipe piles are aligned, the pile splicing connecting position is arranged at the position 0.5 m to 1 m away from the ground, welding operation is facilitated, the perpendicularity of the pipe piles relative to the ground is also conveniently adjusted, deflection is effectively prevented when the pipe piles are pressed in, air holes are prevented from appearing in a welding seam formed after welding and cracks are prevented from appearing in the welding seam after the welding wire is baked and preheated before pile splicing and welding, the mechanical performance and strength of the welding seam are improved, the welding quality is improved, and pile breakage is avoided.
本发明提供了一种静压预应力管桩施工方法，包括以下步骤：制备多根单元管桩；测量放线并确定桩位；在桩位中心钻攻导引孔；压桩机就位对中；将前置管桩压入地下土体；通过销杆接桩；接桩焊接；重复前述步骤若干次后，施工结束。采用本发明的技术方案，通过在地面上预先设置导引孔作为导向，通过在接桩时使用销杆定位，保证了相邻两根管桩对正，将接桩连接处设置于离地面0.5m‑1m的高度，便于进行焊接操作，也便于调整管桩相对于地面的垂直度，有效防止压入管桩时出现偏斜，在接桩焊接前，对焊丝烘培、预热处理后，防止在焊接后形成的焊缝内出现气孔，防止焊缝出现裂纹，提升焊缝的机械性能和强度，提高了焊接质量，避免出现断桩。
Static pressure prestressed pipe pile construction method
一种静压预应力管桩施工方法
YUAN XIAO (author) / HE JIALIANG (author) / HE CHUANZHI (author) / SHI ZHENGYANG (author) / JIANG KUN (author) / LIU XUAN (author) / ZUO HAIHONG (author) / ZHOU YUTING (author) / QIN HE (author) / ZHANG SIBIN (author)
2021-11-26
Patent
Electronic Resource
Chinese
IPC:
E02D
FOUNDATIONS
,
Gründungen
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